Dockerfile

# Based on tomcat:8-jre8
FROM resin/rpi-raspbian:jessie

LABEL maintainer="gordonff@gmail.com"

ENV CATALINA_HOME=/usr/local/tomcat \
    JAVA_HOME=/usr/lib/jvm/java-8-openjdk-armhf/jre \
    LANG=C.UTF-8 \
    TOMCAT_MAJOR=8 \
    TOMCAT_VERSION=8.5.16

ENV PATH=$CATALINA_HOME/bin:$PATH \
  	TOMCAT_TGZ_URL=http://www.apache.org/dist/tomcat/tomcat-$TOMCAT_MAJOR/v$TOMCAT_VERSION/bin/apache-tomcat-$TOMCAT_VERSION.tar.gz

WORKDIR $CATALINA_HOME

# see https://www.apache.org/dist/tomcat/tomcat-8/KEYS
RUN set -x \
  &&  apt-get update \
  &&  apt-get install --no-install-recommends -y openjdk-8-jre-headless curl \
  &&  gpg --keyserver pool.sks-keyservers.net --recv-keys \
		    05AB33110949707C93A279E3D3EFE6B686867BA6 \
		    07E48665A34DCAFAE522E5E6266191C37C037D42 \
		    47309207D818FFD8DCD3F83F1931D684307A10A5 \
		    541FBE7D8F78B25E055DDEE13C370389288584E7 \
		    61B832AC2F1C5A90F0F9B00A1C506407564C17A3 \
		    79F7026C690BAA50B92CD8B66A3AD3F4F22C4FED \
		    9BA44C2621385CB966EBA586F72C284D731FABEE \
		    A27677289986DB50844682F8ACB77FC2E86E29AC \
		    A9C5DF4D22E99998D9875A5110C01C5A2F6059E7 \
		    DCFD35E0BF8CA7344752DE8B6FB21E8933C60243 \
		    F3A04C595DB5B6A5F1ECA43E3B7BBB100D811BBE \
		    F7DA48BB64BCB84ECBA7EE6935CD23C10D498E23 \
  &&  curl -fSL "$TOMCAT_TGZ_URL" -o tomcat.tar.gz \
	&&  curl -fSL "$TOMCAT_TGZ_URL.asc" -o tomcat.tar.gz.asc \
	&&  gpg --verify tomcat.tar.gz.asc \
	&&  tar -xvf tomcat.tar.gz --strip-components=1 \
	&&  rm bin/*.bat \
	&&  rm tomcat.tar.gz*

EXPOSE 8080

VOLUME $CATALINA_HOME/conf $CATALINA_HOME/logs $CATALINA_HOME/webapps

CMD ["catalina.sh", "run"]